What is CVE-2026-20500?

CVE-2026-20500 is a medium-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under Improper Certificate Validation. CVSS score: 5.5/10. Published 2026-09-07.

How severe is CVE-2026-20500?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Mediatek, Inc. Mediatek Chipset

CVE-2026-20500

In Modem, there is a possible system crash due to improper input validation. This could lead to local denial of service with User execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01810811; Issue ID: MSV-9232.

Vulnerability class: Improper Certificate Validation

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mediatek, Inc. Mediatek Chipset — versions MT2716, MT6835, MT6858

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

security@mediatek.com

Frequently asked questions

What is CVE-2026-20500?: CVE-2026-20500 is a medium-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under Improper Certificate Validation. CVSS score: 5.5/10. Published 2026-09-07.
How severe is CVE-2026-20500?: Medium severity. CVSS v3 base score is 5.5 out of 10.